(19)

(11)

EP 2 748 521 A2

(12)

(88) Date of publication A3: 13.06.2013 (43) Date of publication: 02.07.2014 Bulletin 2014/27 (21) Application number: 12798390.6 (22) Date of filing: 16.10.2012

(51) International Patent Classification (IPC):  F21V 1/00(2006.01) F21V 3/04(2006.01) F21V 9/16(2006.01) F21V 9/10(2006.01) F21K 99/00(2010.01) (86) International application number: PCT/IB2012/055623 (87) International publication number: WO 2013/057656 (25.04.2013 Gazette 2013/17)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 20.10.2011 US 201161549297 P (71) Applicant: Koninklijke Philips Electronics N.V. 5656 AE Eindhoven (NL)	(72) Inventors: HIKMET, Rifat, Ata, Mustafa NL-5656 AE Eindhoven (NL) VAN BOMMEL, Ties NL-5656 AE Eindhoven (NL) (74) Representative: van Eeuwijk, Alexander Henricus Waltherus  Philips Intellectual Property & Standards P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)